PLEASE explain your answer!!!!​

Answer:

carbohydrate is an essential biomolecule so the affect of suger fluctuates when enzyme consumes the substrates of glucose molecules

Answer:

group 5, period 7

Answer:

hi..

Explanation:

The lower mantle is hotter and denser than the upper mantle and transition zone. The lower mantle is much less ductile than the upper mantle and transition zone. Although heat usually correspond s to softening rocks, intense pressure keeps the lower mantle solid. Geologists do not agree about the structure of the lower mantle.

hope this helps ._.

very hot at temperatures, i think i would set it to 43 degrees celsius as its much colder and better

hope this helps!

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\ [/tex]

From the question we have

[tex]density = \frac{85}{110} \\ = 0.772727272...[/tex]

We have the final answer as

The substance will float on water since it's density is less than that of water which is

1 g/cm³.

Hope this helps you

Answer: B

Explanation:

To solve this we must be knowing each and every concept related to CaCO[tex]_3[/tex]. Therefore,  the correct option is option B among all the given options.

Carbonate of calcium One of the best-known compounds is CaCO[tex]_3[/tex]. Calcium carbonate is indeed a non-toxic, odorless substance. CaCO[tex]_3[/tex] is a white mineral found naturally in chalks, limestones, and marbles. It is a common material found in rocks as calcite and aragonite.

CaCO[tex]_3[/tex] is most commonly found in limestone. It is a sedimentary rock composed primarily of calcite and is the primary component of eggshells, snail shells, seashells, and pearls. Calcium carbonate is also used in medicine as a source of calcium or as an antacid. Although excessive calcium carbonate ingestion is dangerous and causes poor digestion.

Therefore,  the correct option is option B.

To know more about  CaCO[tex]_3[/tex], here:

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[tex]1 \: mol MgSO4 \: has \: 4 \: oxygens[/tex]

Thus ;

[tex]2 \: mols \: of \: should \: have \: 8 \: oxygens[/tex]

So the correct answer is (( 8 مول ))

Answer:

make a new friend if you lose one, Its part of life losing people thats what make us people grow and be more mature.

Answer:

cm

Explanation:

cm is the most appropriate unit - metres is too big and mm is too small

Answer: If you think about it, B. would be the most reasonable answer with the given factors.

Answer:

It is the first one

Explanation:

Due to the fact that political discretion would be so only a few or a group of indviduals could control or know certain things

Answer: yeah is the first one

Explanation:

Answer:

hope it helps..

Explanation:

Number of protons

More information: The atomic number is used to identify an element, and the atomic number is the number of protons in the nuclei of an element. Every element has its own unique number of protons, and therefore, atomic number.

Answer:

He should use black a light purple brown, tan, blue, and just a tiny bit of pink!

Hope this helps!!

Explanation:

If Johnny wanted to show the brightness of the stars, he should use blue, light blue, yellow, orange, red, and white.

The Milky Way is a huge collection of stars, dust and gas .

Hence , Johnny should use blue, light blue, yellow, orange, red, and white.

Learn more about milky way below

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Answer:

[tex]it \: is : \\nuleic\: force\: of\: ( attraction \: and \: repulsion).[/tex]

Explanation:

[tex]this \: is \: because, \: for \: any \: type \: of \: chemical \\\: combination \: (bonding) \: to \: be \: possible, \\ there \: must \: exist\: an \: equilibrium \: between \: \\ the \: force \: of \: attraction \: and \: repulsion.[/tex]

Answer:

bonds are formed by joining atoms whether same or different elements to form molecules by uses of forces of attractions

Answer:MgO reacts with nitric acid

Answer:

graduated cylinder and a scale can be used to measure the volume of a substance. hope this is helpful

Explanation:

Answer: martin luther king jr

Explanation: He led peaceful protests against the discrimination that the people of the United State did against African American men, women, and children. He was a celebrity due to his have "I a dream speech" that he said in front of the lincoln memorial.  Plus he didn't approve of violence when trying to protest African American rights.

Answer:

Who is Martin Luther King and why is he famous?

Exsplanation

A Baptist pastor and civil rights activist, King worked to end legal segregation of blacks in the United States. He gave his famous “I Have a Dream” speech at the August 1963 March on Washington, and won the Nobel Peace Prize in 1964 at age 35 – the youngest man to have received the award.Apr 4, 2018

Answer:

nope homogeneous

Explanation:

hope this helps :)

Answer:

SOLUTIONS are homogeneous mixtures. A solution is a mixture of two or more substances in a single phase.

Answer:

Explanation:

Latent heat of fusion of zinc = 7.322 kJ / mol

molecular weight of zinc = 65 g

450 gram = 450 / 65 = 6.92 mole

Heat required to melt 450 g of zinc = 6.92 x 7.322 kJ

= 50.67 kJ .

= 50.7 kJ .

Answer:

A solution is a homogeneous mixture consisting of a solute dissolved into a solvent . ... The solute is the substance that is being dissolved, while the solvent is the dissolving medium. Solutions can be formed with many different types and forms of solutes and solvents.

Answer:

A solution is a homogeneous mixture consisting of a solute dissolved into a solvent .

Explanation:

Answer:

3.41 x 10^7

Explanation:

Answer:

Sulpher

Explanation:

For this type of questions; calculate the total number of electrons so that you can identify the element from the periodic table.

Neon has 10 electrons. and from 3s^2 and 3p^4 there are 6 electrons.

So the total number of electrons is 16.

The element is Sulpher from group 6 of the periodic table

Answer:

Vertebrate Endocrine Glands and Hormones

Unlike plant hormones, animal hormones are often (though not always) produced in specialized hormone-synthesizing glands (shown below). The hormones are then secreted from the glands into the blood stream, where they are transported throughout the body.

The combination of beads should the student use for  the model :2 green, 3 blue and 12 yellow

In the chemical formula of a compound there are numbers:

1. The number indicates the number of atoms written after the element symbol

2. The number after the parentheses represents the number multiplied by the number of atoms in parentheses.

3. The number before the chemical formula shows the number of molecules behind it, which is usually used in equations

To calculate the beads needed to make a model, we must count the number of atoms of the Al₂(SO₄)₃ molecule

In the Al₂ (SO₄) ₃ molecule there are 3 atoms : Al, S, and O

So the combination of beads

2 green(for Al), 3 blue(for S) and 12 yellow(for O)

Answer:

2 blue, 3 yellow, and 12 green

Explanation:

Answer:

what is the question

Explanation:

what do you need help with

Answer:

9.32×10⁻³

Explanation:

Scientific notation is the way to express the large value in short form.

The number in scientific notation have two parts.

. The digits (decimal point will place after first digit)

× 10 ( the power which put the decimal point where it should be)

How to add the number in scientific notation with same exponent.

7.21 ×10⁻³ + 2.11 ×10⁻³

exponent of both values are same thus we will take it common.

[7.21 + 2.11 ]×10⁻³

9.32×10⁻³

Answer: Helium is an type of air that can be used to inflate balloons, balls,  and other things that require air. The carbon dioxide we breath out is similar to this helium.

Hope this helps!

Number of atoms : 2.245 x 10²⁴

A mole is a number of particles(atoms, molecules, ions)  in a substance

This refers to the atomic total of the 12 gr C-12  which is equal to 6.02.10²³, so 1 mole = 6.02.10²³ particles  

Can be formulated :

N = n x No

N = number of particles

n = mol

No = 6.02.10²³ = Avogadro's number

n= 3.73 moles

Number of atoms :

[tex]\tt 3.73\times 6.02\times 10^{23}=\boxed{\bold{2.245\times 10^{24}}}[/tex]

Answer:

first theres the poliution  one of the biggest things thats starts global warming then theres recycle and non recycle because people mix there trash up when their not suppossed to.

Explanation:

Answer:

is force acting in one direction

Answer:

hope this helps!

as described by the third of Newton's law of motion of classical mechanics, offices occurs in pairs such that is one object exerts a force on another object, then the second object exerts an equal and opposite reaction Force on the first.